Synonyms for Silverbush (same or very similar meaning)
WordNet sense 1 (silvery hairy European shrub with evergreen foliage and pale yellow flowers):
silver-bush, Jupiter's beard, Anthyllis barba-jovisWordNet sense 2 (deciduous unarmed North American shrub with silvery leaves and fruits):
silverberry, silver berry, Elaeagnus commutataFrom the ODE community, based on WordNetadd/edit